5 Answers
5

I can put in a good word for LifePixel. I converted my Canon 20D about 18 months ago now... I actually did the conversion myself and I can attest to the quality of the tutorials they provide. Walked me through every step of the way and I had no issues whatsoever.

Of course if you're not into DIY monkeying with your camera, they'll do the conversion for you. I had a friend go this route and also has had no complaints.

The Nikon is more convenient for lens reasons. I picked one up for cheap off craigslist.
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Jon.GriffenFeb 15 '11 at 4:53

Fair enough, enjoy the IR work! It's pretty interesting stuff, in line with B&W in how you have to anticipate the conditions around you to think how a photo will turn out... Also I'd advise at least at first trying a gel holder in a Cokin-P filter holder, much cheaper than traditional IR filters and you can try a few different gels to see what level of IR blocking suits you.
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Kendall Helmstetter GelnerFeb 15 '11 at 5:40

Look for Lee Polyester IR filter material. It is inexpensive and works just as well as any glass filters I've ever used. Accurately cut a disk of it to fit into the mount of any inexpensive UV filter you might have laying around, ensuring it is a close-enough fit so that no visible light leaks around it when the filter's retaining-ring is put back in place. For about a $14-$25 investment you can make a $100-$250 filter for yourself.

When stacked with a Wratten Green filter, this works exceptionally well with any of the Sony cameras that have their "NightShot" mode in them, to bring the IR light levels of daylight and sunlight precisely within range of their restricted shutter-speeds used for nighttime IR photography.